28957615

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{263}}^1$

素因数の和:367

約数の個数: 24

約数和(自身を含む): 37417248

約数和(自身を除く): 8459633

約数列:

[1, 5, 19, 61, 95, 263, 305, 361, 1159, 1315, 1805, 4997, 5795, 16043, 22021, 24985, 80215, 94943, 110105, 304817, 474715, 1524085, 5791523, 28957615]

約数ペア:

[(1, 28957615), (5, 5791523), (19, 1524085), (61, 474715), (95, 304817), (263, 110105), (305, 94943), (361, 80215), (1159, 24985), (1315, 22021), (1805, 16043), (4997, 5795)]